Nikon Nikkor AI-S 18mm f/3.5 Lens
The Nikon 18mm f/3.5 is a 18mm f/3.5 lens designed for Nikon F mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.
Nikon Nikkor AI-S 18mm f/3.5 Lens
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Lens Overview — Nikon 18mm f/3.5
Key Features — Nikon 18mm f/3.5
18mm Ultra-Wide Prime: Fixed 18mm focal length delivers a consistent, expansive field of view suited to landscapes, architecture, and environmental work.
Full Frame Coverage: Projects an image circle covering the full 35mm frame, with no vignetting on full frame Nikon F mount bodies.
f/3.5 Maximum Aperture: Reasonably fast for an ultra-wide prime, allowing usable exposures in moderate low-light conditions.
Nikon AI-S Manual Focus: AI-S coupling provides linear aperture control for compatibility with Nikon bodies that support shutter priority and program auto exposure modes.
Nikon F Mount: Compatible with a broad range of Nikon F mount film and digital bodies, including modern DSLRs with manual focus support.
72mm Filter Thread: Standard 72mm front thread accepts common circular filters such as polarizers and ND filters, practical for landscape and architectural shooting.
Lens Specifications — Nikon 18mm f/3.5
| Spec | Detail |
|---|---|
| Use Cases | Landscape, Architecture, Travel |
| Lens Type | Wide-Angle |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 18mm |
| Maximum Aperture | f/3.5 |
| Camera System | DSLR |
| Lens Mount | Nikon F |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Filter Thread | 72mm |
Description — Nikon 18mm f/3.5
The Nikon Nikkor AI-S 18mm f/3.5 is a prime, manual focus wide-angle lens built for the Nikon F mount, designed to cover a full frame sensor. At 18mm, it sits firmly in the ultra-wide category, well suited for scenes where a broad, expansive field of view is the goal. The maximum aperture of f/3.5 provides a useful light-gathering capability for this focal length range.
With no autofocus and no image stabilization, this lens rewards photographers who prefer deliberate, hands-on shooting with full control over focus and exposure. The lens weighs 350g, keeping it manageable for travel and on-location use. A 72mm filter thread allows straightforward use of polarizing filters, neutral density filters, and other circular filter types.
Whether used on a modern Nikon F mount DSLR body or an older film-era Nikon camera, this lens delivers a fixed wide-angle perspective that requires no compromise on focal length or format coverage.
Pros — Nikon 18mm f/3.5
- ✓Fixed 18mm focal length (prime) delivers a consistent ultra-wide perspective with no optical compromises from zoom mechanics
- ✓Full frame coverage means the lens performs across the entire sensor area on compatible Nikon F mount bodies
- ✓Maximum aperture of f/3.5 provides reasonable light-gathering capability for a lens at this focal length
Cons — Nikon 18mm f/3.5
- ✗No autofocus — manual focus only, which may slow down shooting in fast-moving or low-light situations
- ✗No image stabilization, requiring careful technique or support for sharp results in reduced lighting
- ✗Maximum aperture of f/3.5, while reasonable, is slower than some competing wide-angle primes, limiting available light performance
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